FAIRMol

OHD_MAC_23

Pose ID 5082 Compound 1250 Pose 341

DB fairmolDocking pose analysis is being read from this database.
Molecular metrics status: done
RDKit SASA-based burial metrics are cached.
SASA cached
T08
T. brucei PTR1 T. brucei
Ligand OHD_MAC_23
PDB6RX6

3D complex viewer

Strict H-bonds Permissive H-bonds
Viewer legend
Protein receptor
Pocket residues
Cofactor context
Docked ligand
Overall assessment
Reject SASA cached
Promising but geometrically suspicious
Binding strong Geometry low Native strong SASA done
Strain ΔE
44.7 kcal/mol
Protein clashes
3
Internal clashes
6
Native overlap
contact recall 0.63, Jaccard 0.52, H-bond role recall 0.40
Burial
76%
Hydrophobic fit
86%
Reason: 6 internal clashes, strain 44.7 kcal/mol
strain ΔE 44.7 kcal/mol 3 protein-contact clashes 6 intramolecular clashes
Molecular report
Full metrics ↗
Reject Multiple quality flags — this pose should be deprioritised or discarded.
✓ Excellent LE (-0.775 kcal/mol/HA) ✓ Good fit quality (FQ -7.87) ✓ Strong H-bond network (7 bonds) ✓ Deep burial (76% SASA buried) ✓ Lipophilic contacts well-matched (86%) ✗ Extreme strain energy (44.7 kcal/mol) ✗ Geometry warnings ✗ Protein-contact clashes (5) ✗ Many internal clashes (18)
Score
-27.886
kcal/mol
LE
-0.775
kcal/mol/HA
Fit Quality
-7.87
FQ (Leeson)
HAC
36
heavy atoms
MW
506
Da
LogP
2.56
cLogP
Strain ΔE
44.7 kcal/mol
SASA buried
76%
Lipo contact
86% BSA apolar/total
SASA unbound
839 Ų
Apolar buried
546 Ų

Interaction summary

HB 7 HY 24 PI 1 CLASH 6

HB · H-bonds

Mode: strict. Count shows atom-level H-bonds; unique residues in summary: 0.

PI · π–π interactions

Native π–π recall is disabled because no explicit native π–π reference was stored.

HY · Hydrophobic contacts

CLASH · Clashes

Final rank1.939Score-27.886
Inter norm-0.905Intra norm0.131
Top1000noExcludedno
Contacts16H-bonds7
Artifact reasongeometry warning; 18 clashes; 5 protein contact clashes; 1 severe cofactor-context clash; high strain Δ 44.7
Residues
ALA212 ARG14 CYS168 GLU217 GLY205 GLY214 LEU208 LEU209 MET213 NAP301 PHE97 PRO210 SER207 TRP221 VAL206 VAL211

Native ligand reference

★ reference
Interaction fingerprint calculated directly from the uploaded native ligand without docking. Current H-bond mode: strict.
NameTbPTR1_cW_6RX6_ReadyContacts19
PoseOpen native poseHB0
IFP residues
ARG14 ASP161 CYS168 GLY205 LEU208 LEU209 LYS178 MET213 NAP301 PHE171 PHE97 PRO210 PRO99 SER207 SER95 TRP221 TYR174 TYR98 VAL206
Current overlap12Native recall0.63
Jaccard0.52RMSD-
HB strict1Strict recall0.17
HB same residue+role2HB role recall0.40
HB same residue2HB residue recall0.40

Protein summary

258 residues
Protein targetT08Atoms3881
Residues258Chains2
Residue summaryLEU:437; VAL:433; ALA:361; ARG:288; ILE:266; GLU:210; LYS:198; SER:198; ASN:182; THR:154; GLN:153; PHE:140; PRO:140; TYR:126; GLY:112; HIS:103

Receptor context

1 kept / 0 excluded
Receptor context filtering: interactions and SASA are computed against protein atoms plus allowed cofactors/ions. Native ligand-like HETATM partners are excluded from scoring.
Kept context 1 Excluded HETATM 0
Kept cofactors / ions
A:NAP301

All stored poses for this docking hit

PoseFinal rankInter normScoreHBCTCT overlapCT recallHB role rec.RMSDExcluded
341 1.9394069180733753 -0.90515 -27.8859 7 16 12 0.63 0.40 - no Current
392 2.1746272232538577 -0.756766 -14.0764 6 17 0 0.00 0.00 - no Open
324 2.4670867339205116 -0.82953 -27.8188 7 20 0 0.00 0.00 - no Open
366 3.3829700936881166 -0.574398 -19.0034 5 15 0 0.00 0.00 - no Open

Molecular metrics

RDKit SASA burial, strain energy (MMFF94s), ligand efficiency and fit quality for this docking pose.
✓ Metrics available

Scoring & efficiency

Docking score -27.886kcal/mol
Ligand efficiency (LE) -0.7746kcal/mol/HA
Score / heavy atom count
Fit quality (FQ) -7.873
LE / (0.072 + 0.95/HAC) — Leeson & Springthorpe
Heavy atom count 36HA

Physicochemical properties

Molecular weight 506.0Da
Lipinski: ≤ 500 Da
LogP (cLogP) 2.56
Lipinski: ≤ 5
Rotatable bonds 9

Conformational strain (MMFF94s)

Strain energy (ΔE) 44.73kcal/mol
< 5 good · 5–10 marginal · > 10 problematic
Docked FF energy 192.44kcal/mol
Minimised FF energy 147.70kcal/mol

SASA & burial

✓ computed
SASA (unbound) 838.5Ų
Total solvent-accessible surface area of free ligand
BSA total 639.1Ų
Buried surface area upon binding
BSA apolar 546.3Ų
Hydrophobic contacts buried
BSA polar 92.8Ų
Polar contacts buried
Fraction buried 76.2%
> 60 % indicates good pocket engagement
Lipophilic contact ratio 85.5%
BSA apolar / BSA total — high = hydrophobic driver
Δ Non-polar SASA -1811.4Ų
SASA_nonpolar(complex) − SASA_nonpolar(receptor) − SASA_nonpolar(ligand free). Negative = non-polar surface buried upon binding. Requires full polarity-decomposed SASA computation.
Receptor non-polar SASA 2051.9Ų
Non-polar SASA of receptor alone (VdW proxy, nonpolar atoms only)
Complex non-polar SASA 979.0Ų
Non-polar SASA of full complex (VdW proxy, nonpolar atoms only)